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Finding the Third Proportional to 57,905,411 and 127,287,121

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Solution

The third proportional to 57,905,411 and 127,287,121 is: 279,801,332.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,905,411 : 127,287,121 = 127,287,121 : x
  2. Step 2: Convert to fraction form
    57,905,411/127,287,121 = 127,287,121/x
  3. Step 3: Cross multiply
    57,905,411x = 127,287,121 × 127,287,121
  4. Step 4: Simplify right side
    57,905,411x = 16,202,011,172,468,640
  5. Step 5: Solve for x
    x = 16,202,011,172,468,640/57,905,411
  6. Step 6: Final answer
    x = 279,801,332.77

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.